🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.1

Radius: 10.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.75 AU - 0.85 AU

Year: 477 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,986,820 km

• M1: 130,898 km (0.108 R)
• M2: 533,765 km (0.065 R)
• M3: 1,015,770 km (0.086 R)
• M4: 1,364,931 km (0.073 R)
• M5: 1,698,085 km (0.119 R)
• M6: 2,817,975 km (0.095 R)
• M7: 3,238,196 km (0.105 R)
• M8: 3,725,436 km (0.088 R)
• M9: 4,095,242 km (0.067 R)
• M10: 4,474,921 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 12.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.62 AU - 1.04 AU

Year: 504 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 17,986,820 km

• M1: 150,645 km (0.114 R)
• M2: 538,403 km (0.066 R)
• M3: 1,172,698 km (0.089 R)
• M4: 1,581,549 km (0.093 R)
• M5: 2,394,763 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 13.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.92 AU - 1.22 AU

Year: 738 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,986,820 km

• M1: 169,195 km (0.11 R)
• M2: 731,982 km (0.104 R)
• M3: 1,238,820 km (0.095 R)
• M4: 1,695,393 km (0.047 R)
• M5: 2,136,407 km (0.101 R)
• M6: 2,620,955 km (0.085 R)
• M7: 3,231,314 km (0.102 R)
• M8: 3,980,799 km (0.069 R)
• M9: 5,947,263 km (0.095 R)
• M10: 6,786,507 km (0.086 R)
• M11: 7,303,966 km (0.113 R)
• M12: 7,751,264 km (0.083 R)
• M13: 8,963,605 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 14.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.19 AU - 1.37 AU

Year: 966 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,986,820 km

• M1: 184,005 km (0.09 R)
• M2: 767,138 km (0.1 R)
• M3: 1,247,945 km (0.116 R)
• M4: 1,817,165 km (0.113 R)
• M5: 2,294,831 km (0.119 R)
• M6: 2,780,875 km (0.096 R)
• M7: 3,287,413 km (0.038 R)
• M8: 3,828,658 km (0.075 R)
• M9: 4,612,402 km (0.096 R)
• M10: 5,125,971 km (0.109 R)
• M11: 6,212,052 km (0.042 R)
• M12: 6,799,971 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 9.1

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.03 AU - 1.65 AU

Year: 1034 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,986,820 km

• M1: 113,246 km (0.103 R)
• M2: 414,087 km (0.071 R)
• M3: 728,691 km (0.103 R)
• M4: 1,246,001 km (0.058 R)
• M5: 1,540,559 km (0.109 R)
• M6: 1,993,392 km (0.086 R)
• M7: 3,267,965 km (0.105 R)
• M8: 3,693,571 km (0.12 R)
• M9: 4,155,679 km (0.065 R)
• M10: 5,296,662 km (0.101 R)
• M11: 5,648,965 km (0.067 R)
• M12: 6,658,003 km (0.084 R)
• M13: 7,573,991 km (0.072 R)
• M14: 7,968,480 km (0.08 R)
• M15: 10,276,775 km (0.096 R)
• M16: 10,597,663 km (0.089 R)
• M17: 11,158,655 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 13.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.47 AU - 2.59 AU

Year: 2684 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,986,820 km

• M1: 174,282 km (0.077 R)
• M2: 658,829 km (0.098 R)
• M3: 1,133,653 km (0.111 R)
• M4: 1,568,384 km (0.061 R)
• M5: 4,318,591 km (0.112 R)
• M6: 5,668,712 km (0.078 R)
• M7: 6,570,039 km (0.087 R)
• M8: 8,115,086 km (0.11 R)
• M9: 8,622,821 km (0.12 R)
• M10: 15,138,257 km (0.062 R)
• M11: 16,067,111 km (0.12 R)
• M12: 17,253,721 km (0.078 R)
• M13: 17,755,622 km (0.065 R)
• M14: 19,499,484 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 8.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.58 AU - 3.8 AU

Year: 4727 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,986,820 km

• M1: 102,175 km (0.105 R)
• M2: 756,516 km (0.088 R)
• M3: 1,446,013 km (0.073 R)
• M4: 2,297,524 km (0.08 R)
• M5: 3,126,595 km (0.027 R)
• M6: 3,682,501 km (0.093 R)
• M7: 5,104,878 km (0.072 R)
• M8: 6,184,077 km (0.106 R)
• M9: 6,777,532 km (0.092 R)
• M10: 8,720,509 km (0.076 R)
• M11: 10,664,533 km (0.061 R)
• M12: 12,923,910 km (0.085 R)
• M13: 13,579,448 km (0.095 R)
• M14: 14,028,690 km (0.116 R)
• M15: 15,339,317 km (0.094 R)
• M16: 15,974,809 km (0.11 R)
• M17: 17,560,995 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 14,615 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit